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Dexcom CGM support

From reordering supplies, to tutorials and FAQ, Dexcom can provide support and guidance for a better experience with continuous glucose monitoring (CGM).

Get started with Dexcom CGM



Are you new to the Dexcom CGM System? Or CGM in general? Our Dexcom CARE team can help you get started.

Need Technical Support?

Submit a Tech Support Request

Request Sensor Overpatches

Chat with Live Tech Support

At this time, live chat is only available to US customers, Monday-Sunday from 5AM-5PM PST.

Browse Dexcom FAQs

Find answers to your questions about Dexcom Systems, software and diabetes.

Product support and education

Browse Dexcom product guides, tutorials and online classes.

Quick Start & User Guides

Access helpful Quick Start and User Guides for all Dexcom products and accessories.


Our self-guided training tutorials will help you get up and running with your Dexcom CGM.

Contact Dexcom

Can’t find what you’re looking for? Contact our customer support team who can help you.

Interested in getting Dexcom CGM?

If you are ready to take the next step, the process is simple. Provide us with a few details and we will contact you to begin your order.